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ORA-600 [723] [memory leak] 内存泄露

系统:rhel 6.8

数据库:oracle 11.2.0.4

异常描述:在巡检时发现log文件存在以下告警,ORA-600[723](PGA内存泄露).

Mon Jul 11 17:39:41 2022

Errors in file /u01/oracle/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_34745.trc  (incident=500456):

ORA-00600: internal error code, arguments: [723], [133856], [236816], [memory leak], [], [], [], [], [], [], [], []

ORA-03135: connection lost contact

Incident details in: /u01/oracle/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_500456/orcl_ora_34745_i500456.trc

Use ADRCI or Support Workbench to package the incident.

See Note 411.1 at My Oracle Support for error and packaging details.

 

incident中.trc文件显示如下:

*** 2022-07-11 17:39:41.105

Dump continued from file: /u01/oracle/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_34745.trc

ORA-00600: internal error code, arguments: [723], [133856], [236816], [memory leak], [], [], [], [], [], [], [], []

ORA-03135: connection lost contact

 

========= Dump for incident 500456 (ORA 600 [723]) ========

----- Beginning of Customized Incident Dump(s) -----

******** ERROR: PGA memory leak detected 236816 > 133856 ********

========================================

SUMMARIZED MEMORY USAGE FOR THIS PROCESS

----------------------------------------

 60812432 bytes, 204 chunks: "free memory               " 

          top uga heap    ds=0xc0d2140  dsprt=(nil)

 10836432 bytes, 181 chunks: "free memory               " 

          pga heap        ds=0xc0cc6e0  dsprt=(nil)

   261384 bytes,   1 chunk : "free memory               " 

          top call heap   ds=0xc0d1f20  dsprt=(nil)

   236656 bytes, 302 chunks: "kopolal void              " 

          pga heap        ds=0xc0cc6e0  dsprt=(nil)

   197336 bytes,  25 chunks: "permanent memory          " 

          pga heap        ds=0xc0cc6e0  dsprt=(nil)

      736 bytes,   2 chunks: "permanent memory          " 

          top call heap   ds=0xc0d1f20  dsprt=(nil)

      160 bytes,   1 chunk : "heap_kdlipga              " 

          pga heap        ds=0xc0cc6e0  dsprt=(nil)

       80 bytes,   1 chunk : "permanent memory          " 

          top uga heap    ds=0xc0d2140  dsprt=(nil)

Mos[Doc ID 2457941.1]文档与以上场景类似,此为Bug 28751438,

Cause:CTRL-C causes an exception to occur, which is an abnormal abort of the spatial query.

此次内存泄漏不是非常频繁,可以忽略.不过也可以通过升级解决该告警.

Oracle提供10262事件来屏蔽这个错误,不过不推荐设置该事件.

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